The web or network of exposed people can quickly grow from one case if steps aren't taken early to avoid further onward transmission.
Central banks are expected to act without fear or favour. But to deal with climate change, they may have to encourage financial institutions to favour certain types of activities over others.
Incidents of violence and growing fear and uncertainty have pushed over 400 000 Burundians to seek refuge in neighbouring countries.
CITES' decision seeks to increase levels of monitoring so that we can be more and better informed about the illegal trade of Mukula and over-harvesting.
Social media is shaping Africa’s political engagement in diverse and complex ways.
In a surprising change in trends, citizens in many African countries increasingly support government restrictions of press freedom.
Factors behind the hits and misses of the higher education sector in Kenya and East Africa. What needs to be done to address the problems.
While the science is crucial, it is also important to know what sense the people who live in and around Laetoli make of these ancient footprints.
Researchers around the world are working hard to find a vaccine that is safe and effective.
Because the interactions between trees, soils, crops and livestock can be positive or negative, their relationship must be balanced and understood.
Four of the five contemporary migrations in East Africa are severely threatened and have virtually collapsed.
Any policies and interventions around water management can only really be successful if women are included.
Measures to control or reduce workplace noise exposure are critical to reducing hearing loss in workers.
East African countries use a scorecard to monitor maternal and child health progress in the region.
Research found that only a quarter of anaesthetists working in main referral hospitals in East Africa used the WHO safe surgical checklist.
Foot-and-mouth disease vaccines have been successful in several parts of the world. But in Tanzania it’s not that easy.
Building a fiscally capable state won't bring benefits in the short term but can build taxpayers confidence.
With proper regulation, Lake Victoria's fisheries could increase production without damaging wild stocks or the environment.
The debate on sanctions on Zimbabwe has been lost in the southern African region and on the continent.
Democratic and authoritarian countries are moving further away from each other.